#include <fstream>
using namespace std;
int n,i,j,v[100][100];

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

void citire()
{
fin>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
fin>>v[i][j];
}

void Lungime_drumuri()
{
    int k;
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
            {
                if(v[i][k] && v[k][j] &&i!=j&&((v[i][j])>(v[i][k]+v[k][j])||v[i][j]))
                v[i][j]=v[i][k]+v[k][j];
            }
}
int main()
{
    citire();
    Lungime_drumuri();
    for(i=1;i<=n;i++)
        {
            for(j=1;j<=n;j++)
            fout<<v[i][j]<<" ";
            fout<<endl;
         }

}